Phase Segregation and Thermoelectric Properties of AgPbmSbTem+2 m=2, 4, 6, and 8

MRS Online Proceedings Library volume 886, Article number: 805 (2005) Cite this article

Abstract

The preparation and characterization of the AgPbmSbTem+2 family of compounds with m=2, 4, 6, and 8 is reported. Phase segregation was observed in all of these materials. The lattice thermal conductivity of these samples is low (<1.1 W/m-K). Powder x-ray diffraction, thermal analysis, and electron microscope investigations of these systems show that ideal solid solutions are not formed. The transport properties of these composite materials are presented and suggest that they could have promising thermoelectric properties when optimized.

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Affiliations

  1. Department of Chemistry, Michigan State University, 48824, East Lansing, MI, USA

    Joseph Sootsman, Robert Pcionek & Mercouri G Kanatzidis

  2. Department of Physics, University of Michigan, 48109, Ann Arbor, MI, USA

    Huijun Kong & Ctirad Uher

Authors
  1. Joseph Sootsman
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  2. Robert Pcionek
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  3. Huijun Kong
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  4. Ctirad Uher
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  5. Mercouri G Kanatzidis
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Sootsman, J., Pcionek, R., Kong, H. et al. Phase Segregation and Thermoelectric Properties of AgPbmSbTem+2 m=2, 4, 6, and 8. MRS Online Proceedings Library 886, 805 (2005). https://doi.org/10.1557/PROC-0886-F08-05

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